<?php

class LoginController extends Controller
{
	public $layout='//layouts/login';
	public function actionIndex()
	{
		if (!Yii::app()->user->isGuest) {
			$this->redirect(array('/site/'));
		}
		$model=new LoginForm;

		// if it is ajax validation request
		if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}

		// collect user input data
		if(isset($_POST['LoginForm']))
		{
			$model->attributes=$_POST['LoginForm'];
			// validate user input and redirect to the previous page if valid
			if($model->validate() && $model->login())
				$this->redirect(Yii::app()->user->returnUrl);
		}
		// display the login form
		$this->render('index',array('model'=>$model));
	}
}